Home / 76,700.90-115,094.55-29,947.70

Finding the Fourth Proportional to 76,700.90, 115,094.55 and 29,947.70

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Solution

The fourth proportional to 76,700.90, 115,094.55 and 29,947.70 is: 44,938.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,700.90 : 115,094.55 = 29,947.70 : x
  2. Step 2: Convert to fraction form
    76,700.90/115,094.55 = 29,947.70/x
  3. Step 3: Cross multiply
    76,700.90x = 115,094.55 × 29,947.70
  4. Step 4: Simplify right side
    76,700.90x = 3,446,817,055.04
  5. Step 5: Solve for x
    x = 3,446,817,055.04/76,700.90
  6. Step 6: Final answer
    x = 44,938.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.